Manuals
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Weil-McLain
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Household Appliance
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Water Heater
Weil-McLain
155, 80, 230, 310, 105
manual
Replacement parts
Models:
155
105
310
230
80
1
39
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44
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44 pages
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Install
Check flame signal
Connecting gas supply piping
Dimension
Maintenance
Check control settings
Clean condensate trap
How to
Replacement parts
Page 39
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9
GAS
-
FIRED
WATER BOILER
— Boiler Manual
Replacement parts
(continued)
Heat exchanger and piping —
Ultra-80
&
-105
Part number
550-101-233/0903
39
Page 38
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Page 39
Image 39
Page 38
Page 40
Contents
Gas-fired water boiler
HOW IT Works
GAS-FIRED Water BOILER, with PhD Technology
Hazard definitions
Contents
Boiler water
When servicing boiler
Please read before proceeding
Boiler operation
Provide clearances
Installations must comply with
Prepare boiler location
Before locating the boiler, check
Vent and air piping
Residential garage installation
Flooring and foundation
Provide air openings to room
When removing a boiler from existing common vent system
Prevent combustion air contamination
Seal any unused openings in the common venting system
Prepare boiler
Remove boiler from crate
Prepare for propane if operating on propane Ultra-80
Set boiler in place and check level
Prepare for propane if operating on propane Ultra-155 to
Placing floor-mounted boilers
Placing wall-mounted boilers
Drain and remove fittings
Perform hydrostatic pressure test
Prepare boiler for test
Fill and pressure test
General piping information
Install water piping
Install relief valve
Additional controls, when required
System water piping methods
Circulators
Sizing space heat system piping
Required boiler water flow rate, GPM, at 180F
Sizing DHW system piping
Zoning with zone valves
Connect boiler to system as shown in when
Controlling the system circulator
Zoning with circulators
Radiant heating applications
Setting boiler outlet water target temperature
Chilled water system plus optional
Chilled water systems
Install vent and combustion air piping
Venting, combustion air & condensate line
Prepare condensate fittings
Condensate drain Ultra-80
Connect condensate drain
Connecting gas supply piping
Gas piping
Wall-mounted boilers
Natural gas supply pressure requirements
Natural Gas
Propane Gas
Pipe sizing for natural gas
Fill and test water system
Freeze protection when used
Startup
Check/control water chemistry
To start the boiler
Check for gas leaks Final checks before starting boiler
Check thermostat circuits
Inspect/fill condensate system
Adjust and test boiler controls
Check system and boiler
Check flame & combustion
Check-out/startup verification
Check-out/startup verification Installation certificate
Service and maintenance schedules
Annual startup and general maintenance
Handling ceramic fiber materials
Annual startup
Check air openings
Clean condensate trap
Check water system
Check all piping for leaks Check expansion tank
Check boiler relief valve
Check ignition ground wiring
Check all boiler wiring
Check control settings
Check burner flame
Check flame signal
Check flue gas temperature
Perform startup and checks
Replace boiler jacket front door after startup or servicing
Maintenance general
General maintenance
Cleaning boiler heat exchanger
Maintenance and annual startup
Access exchanger Ultra-155, -230, -310 Only
Exchanger cleaning ALL models
Replacement parts
Jacket parts
Replacement parts
Heat exchanger and piping Ultra-80
Replacement parts
Heat exchanger and piping Ultra-155 to
Replacement parts
Controls
Dimensions
DOE
Ratings
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